Miele
Electrical Short or Earth Leakage
Washer-dryer trips the household circuit breaker or RCD during operation
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Heater element shorted to earth, Motor insulation breakdown, Damaged wiring harness touching chassis, Faulty mains filter
How to Fix / Troubleshooting
Safety first: Do not repeatedly reset a tripping breaker. Unplug the appliance and do not use it until inspected. Risk of electric shock and fire.
- Identify when it trips: Note whether the trip occurs during heating, spinning, or immediately on power-up.
- Insulation tests (advanced): With a suitable insulation tester, check the heater and motor for leakage to earth. Replace any component with poor insulation.
- Inspect wiring: Look for pinched or abraded wires, especially where the harness passes through metal openings.
- Check mains filter: Inspect the mains filter for cracks or burns and replace if damaged.
- Professional repair: Due to the risks involved, have a qualified technician perform detailed electrical tests and repairs.
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Repair Difficulty
Professional Required
5/5
Required Part
Wash Heater Element
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